Finding the Fourth Proportional to 2,089,990, 3,142,071.68 and 1,668,905.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089,990 : 3,142,071.68 = 1,668,905.04 : x
2. Step 2: Convert to fraction form
   2,089,990/3,142,071.68 = 1,668,905.04/x
3. Step 3: Cross multiply
   2,089,990x = 3,142,071.68 × 1,668,905.04
4. Step 4: Simplify right side
   2,089,990x = 5,243,819,262,793.27
5. Step 5: Solve for x
   x = 5,243,819,262,793.27/2,089,990
6. Step 6: Final answer
   x = 2,509,016.44